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- Operational_sex_ratio abstract "In the evolutionary biology of sexual reproduction, Operational sex ratio (OSR), is the ratio of sexually competing males that are ready to mate to sexually competing females that are ready to mate, or alternatively the local ratio of fertilizable females to sexually active males at any given time. Its difference from the physical sex ratio, is that it does not take into account sexually inactive or non-competitive individuals (individuals that do not compete for mates).The theory of OSR hypothesizes that the operational sex ratio affects the mating competition of males and females in a population. This concept is especially useful in the study of sexual selection since it is a measure of how intense sexual competition is in a species, and also in the study of the relationship of sexual selection to sexual dimorphism. The OSR is closely linked to the "potential rate of reproduction" of the two sexes; that is, how fast they each could reproduce in ideal circumstances. Usually variation in potential reproductive rates creates bias in the OSR and this in turn will affect the strength of selection. The OSR is said to be biased toward a particular sex when sexually ready members of that sex are more abundant. For example, a male-biased OSR means that there are more sexually competing males than sexually competing females.".
- Operational_sex_ratio wikiPageID "15213586".
- Operational_sex_ratio wikiPageLength "14336".
- Operational_sex_ratio wikiPageOutDegree "11".
- Operational_sex_ratio wikiPageRevisionID "681794628".
- Operational_sex_ratio wikiPageWikiLink Category:Ecology.
- Operational_sex_ratio wikiPageWikiLink Category:Mating_systems.
- Operational_sex_ratio wikiPageWikiLink Category:Reproduction.
- Operational_sex_ratio wikiPageWikiLink Category:Sexual_selection.
- Operational_sex_ratio wikiPageWikiLink Evolutionary_biology.
- Operational_sex_ratio wikiPageWikiLink Mortality_rate.
- Operational_sex_ratio wikiPageWikiLink Sex_ratio.
- Operational_sex_ratio wikiPageWikiLink Sexual_dimorphism.
- Operational_sex_ratio wikiPageWikiLink Sexual_reproduction.
- Operational_sex_ratio wikiPageWikiLink Sexual_selection.
- Operational_sex_ratio wikiPageWikiLink Spatial_distribution.
- Operational_sex_ratio wikiPageWikiLinkText "Operational sex ratio".
- Operational_sex_ratio wikiPageWikiLinkText "operational sex ratio".
- Operational_sex_ratio hasPhotoCollection Operational_sex_ratio.
- Operational_sex_ratio wikiPageUsesTemplate Template:Reflist.
- Operational_sex_ratio subject Category:Ecology.
- Operational_sex_ratio subject Category:Mating_systems.
- Operational_sex_ratio subject Category:Reproduction.
- Operational_sex_ratio subject Category:Sexual_selection.
- Operational_sex_ratio hypernym Ratio.
- Operational_sex_ratio type Aircraft.
- Operational_sex_ratio type Process.
- Operational_sex_ratio comment "In the evolutionary biology of sexual reproduction, Operational sex ratio (OSR), is the ratio of sexually competing males that are ready to mate to sexually competing females that are ready to mate, or alternatively the local ratio of fertilizable females to sexually active males at any given time.".
- Operational_sex_ratio label "Operational sex ratio".
- Operational_sex_ratio sameAs Sex-ratio_opérationnel.
- Operational_sex_ratio sameAs m.03hm1k3.
- Operational_sex_ratio sameAs Q3480868.
- Operational_sex_ratio sameAs Q3480868.
- Operational_sex_ratio wasDerivedFrom Operational_sex_ratio?oldid=681794628.
- Operational_sex_ratio isPrimaryTopicOf Operational_sex_ratio.